Monster Hunter Tri 3 update on Modchip Wii?

Hi if anyone could help me,

I was wondering what the system update will update me too for MHT3, because the guy who did my modchip said I can't update to 4.2 or it will damage my system.
But I been reading everything in the forums, and I seen that it says fw update doesnt effect modchip wii is this true ?
Also i don't know what my modchip is...
All i know is my firmware is currently on 3.4u

MHT will update your Wii to 4.1. Until 4.2 came out, modchips could accept system menu updates without any problems. Updating an older cheap modchip to 4.2 may brick the Wii. On better quality newer modchips, 4,2 will remove the ability to play out-of-region games, but otherwise your Wii and modchip will be fine. Right now, the only game that updates to 4.2 is Endless Ocean 2. Use this list HERE to ID the system menu info needed.

You should contact your vendor and find out the chip used by your Wii.

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